"MASH" primarily stands for Mobile Army Surgical Hospital. These were U.S. Army field hospital units designed to provide surgical care close to the front lines, first conceptualized during World War II and used extensively from the Korean War through the Gulf War before being phased out in the early 2000s
. The concept allowed faster treatment of wounded soldiers, improving survival rates by reducing transport time to hospitals during the critical "Golden Hour" after injury
. Additionally, "MASH" can also refer to Metabolic dysfunction-associated steatohepatitis , a medical condition involving inflammation of the liver caused by excess fat, also known as nonalcoholic steatohepatitis (NASH)
. The most common and historically significant meaning is the military medical unit: Mobile Army Surgical Hospital.
